Lincoln Electric IM727 manual Contact your local Lincoln Authorized Field Service Facility

Models: IM727

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E-3

 

TROUBLESHOOTING

E-3

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

Welder runs but fails to generate current.

1.Generator or exciter brushes may be loose or missing.

2.Exciter may not be operating.

3.Field circuit of generator or exciter may be open.

4.Polarity reversing switch may be in the neutral position.

5.Exciter may have lost excitation.

If all recommended possible areas of misadjustment have been checked and the problem persists,

Welding arc is loud and spatters

1. Series field circuit may be open

excessively.

circuited.

Contact your local Lincoln Authorized Field Service Facility.

2.Current setting may be too high.

3.Polarity may be wrong.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

SAE-400 SEVERE DUTY

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Lincoln Electric IM727 manual Contact your local Lincoln Authorized Field Service Facility